“I heard what sounded like a military powered jet engine at full power for about 5 seconds then it would abruptly stop. The noise would start again every 5 seconds then stop again 5 seconds continuing like this for a couple minutes.”
— U. S. government employee in Colorado, who requests anonymity
“I took my high power laser pointer and shot it up in the direction of the unexplained loud jet sound. … On two separate occasions, I have seen the beam interrupted momentarily — It seems to me there is a real physical object moving through the air that is simply not visible.”
— Scientist in San Diego, California, who requests anonymity and has heard loud jet noises in clear sky and two times flashed a powerful laser in direction of unexplained jet noise and saw the beam interrupted by something invisibleClick for report.